Submission #811998

#	Time	Username	Problem	Language	Result	Execution time	Memory
811998		vjudge1	Financial Report (JOI21_financial)	C++17	Compilation error	0 ms	0 KiB

Main

#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

int lg2(int x) {
    return 31 - __builtin_clz(x);
}

main() {
#ifdef Home
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // Home
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n, d;
    cin >> n >> d;
    int arr[n];
    for(int i = 0; i < n; ++ i) {
        cin >> arr[i];
    }
    int ans = 0;
    for(int msk = (1<<n); msk --> 0;) {
        int k = 0;
        for(int tmp = msk, pr = -1, cr, mx = 0; tmp; tmp -= (-tmp&tmp)) {
            cr = lg2(-tmp&tmp);
            if(pr != -1 && cr - pr > d) {
                k = 0;
                break;
            }
            if(mx < arr[cr]) {
                ++ k;
                mx = arr[cr];
            }
            pr = cr;
        }
        if(pr == n - 1) {
            ans = max(ans, k);
        }
    }
    cout << ans;
}

Compilation message (stderr)

Main.cpp:16:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   16 | main() {
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:45:12: error: 'pr' was not declared in this scope
   45 |         if(pr == n - 1) {
      |            ^~